Home / 682,020.48-941,166.70-376,109.76

Finding the Fourth Proportional to 682,020.48, 941,166.70 and 376,109.76

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Solution

The fourth proportional to 682,020.48, 941,166.70 and 376,109.76 is: 519,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,020.48 : 941,166.70 = 376,109.76 : x
  2. Step 2: Convert to fraction form
    682,020.48/941,166.70 = 376,109.76/x
  3. Step 3: Cross multiply
    682,020.48x = 941,166.70 × 376,109.76
  4. Step 4: Simplify right side
    682,020.48x = 353,981,981,656.99
  5. Step 5: Solve for x
    x = 353,981,981,656.99/682,020.48
  6. Step 6: Final answer
    x = 519,019.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.